This TV remote control receiver uses a ratchet system to activate an old drum-type selector to change channels. A common system at the time. The circuit is from a Radio Electronics from February 1961.
This circuit was found in the RCA Power Transistor manual from the 70's. The circuit uses power...
This circuit converts logic signals into a sinusoidal output. The components must be adapted to...
This circuit detects changes in the active cycle of the input signal. The circuit was obtained in a...